Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry
Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry
We investigate a photonic device consisting of two coupled optical cavities possessing Rashba-Dresselhaus spin-orbit coupling, TE-TM splitting, and linear polarization splitting that opens a tunable energy gap at the diabolic points of the photon dispersion; giving rise to an actively addressable local Berry curvature. The proposed architecture stems from recent advancements in the design of artificial photonic gauge fields in liquid crystal cavities [K. Rechcińska, Science 366, 727 (2019)SCIEAS0036-807510.1126/science.aay4182]. Our study opens perspectives for topological photonics, room-temperature spinoptronics, and studies on the quantum geometrical structure of photonic bands in extreme settings.
Kokhanchik, Pavel
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Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Piętka, Barbara
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Szczytko, Jacek
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Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
26 February 2021
Kokhanchik, Pavel
bea360c7-64cc-4317-a20d-5414abdb6ea8
Sigurdsson, Helgi
c6380293-fe97-4fd0-a819-cf35721d4e5d
Piętka, Barbara
7fcdcba0-5b64-41ef-ad60-429855632a10
Szczytko, Jacek
14bed84c-2dcf-4e60-93cf-41e77f495422
Lagoudakis, Pavlos
ea50c228-f006-4edf-8459-60015d961bbf
Kokhanchik, Pavel, Sigurdsson, Helgi, Piętka, Barbara, Szczytko, Jacek and Lagoudakis, Pavlos
(2021)
Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetry.
Physical Review B, 103 (8), [L081406].
(doi:10.1103/PhysRevB.103.L081406).
Abstract
We investigate a photonic device consisting of two coupled optical cavities possessing Rashba-Dresselhaus spin-orbit coupling, TE-TM splitting, and linear polarization splitting that opens a tunable energy gap at the diabolic points of the photon dispersion; giving rise to an actively addressable local Berry curvature. The proposed architecture stems from recent advancements in the design of artificial photonic gauge fields in liquid crystal cavities [K. Rechcińska, Science 366, 727 (2019)SCIEAS0036-807510.1126/science.aay4182]. Our study opens perspectives for topological photonics, room-temperature spinoptronics, and studies on the quantum geometrical structure of photonic bands in extreme settings.
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Accepted/In Press date: 16 February 2021
e-pub ahead of print date: 26 February 2021
Published date: 26 February 2021
Identifiers
Local EPrints ID: 447256
URI: http://eprints.soton.ac.uk/id/eprint/447256
ISSN: 1550-235X
PURE UUID: fa363336-9b78-469a-bb74-3318b11cd45b
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Date deposited: 05 Mar 2021 17:33
Last modified: 16 Mar 2024 11:03
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Author:
Pavel Kokhanchik
Author:
Barbara Piętka
Author:
Jacek Szczytko
Author:
Pavlos Lagoudakis
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